Lab Grown Ruby
Lot R1277
Please note that only rough stone is included in the lot.
The photo of the faceted stone is only used to demonstrate the approximate color of the material after cutting.
Color: Medium Red
Type: Rough
Size: 274ct
Weight: 54x24x11mm
Mineral: Corundum
Chemical Formula: Al2O3
Crystal System: Trigonal
Hardness (Mohs): 9
Refractive Index: 1.76–1.77
Density, g/cm3: 4
Dispersion: 0.018
Pleochroism: Strong
Growth Method: HDSM
